function updateAreaseries(obj,areaIndex)
    %-store original area handle-%
    area_group = obj.State.Plot(areaIndex).Handle;

    %-get children-%
    area_child = area_group .Children;

    %-update patch -%
    obj.State.Plot(areaIndex).Handle = area_child(1);
    updatePatch(obj,areaIndex);

    %-revert handle-%
    obj.State.Plot(areaIndex).Handle = area_group;
end
